<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		
		<script>
			
			// 1.数值型 number
			console.log(100);
			console.log(077);
			console.log(0xff);
			console.log(3.1415926);
			console.log(typeof 100);
			console.log(typeof 3.1415926);
			
			console.log(1/0);
			console.log(0/0);
			
			// 2.字符串类型 string
			console.log("abc");
			console.log('abc');
			console.log('张三');
			console.log('高三一班');
			console.log(typeof "abc");
			// 转义字符
			// \t  制表符       \'
			// \n  换行         \"
			// \r  回车         \\
			console.log("\"");
			console.log("\\");
			
			
		</script>
		
		
	</body>
</html>
